199933005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 350542080

約数和(自身を除く): 150609075

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 97, 137, 177, 255, 291, 295, 411, 485, 685, 885, 1003, 1455, 1649, 2055, 2329, 3009, 4947, 5015, 5723, 6987, 8083, 8245, 11645, 13289, 15045, 17169, 24249, 24735, 28615, 34935, 39867, 40415, 66445, 85845, 97291, 121245, 137411, 199335, 225913, 291873, 412233, 486455, 677739, 687055, 784051, 1129565, 1459365, 2061165, 2352153, 3388695, 3920255, 11760765, 13328867, 39986601, 66644335, 199933005]

約数ペア:

[(1, 199933005), (3, 66644335), (5, 39986601), (15, 13328867), (17, 11760765), (51, 3920255), (59, 3388695), (85, 2352153), (97, 2061165), (137, 1459365), (177, 1129565), (255, 784051), (291, 687055), (295, 677739), (411, 486455), (485, 412233), (685, 291873), (885, 225913), (1003, 199335), (1455, 137411), (1649, 121245), (2055, 97291), (2329, 85845), (3009, 66445), (4947, 40415), (5015, 39867), (5723, 34935), (6987, 28615), (8083, 24735), (8245, 24249), (11645, 17169), (13289, 15045)]